<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>v-on补充指令</title>
</head>

<body>
    <div id="app">
        <input type="button" value="点击" @click="doIt(666,'老铁')">
        <!-- 输入即触发 -->
        <input type="text" @keyup="sayhi">
        <!-- 输入后，点击enter即触发 -->
        <input type="text" @keyup.enter="sayhi">
    </div>
    <!-- 开发环境版本 -->
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script>
        var app = new Vue({
            el: "#app",
            data: {

            },
            methods: {
                doIt: function (p1, p2) {
                    console.log("打代码"),
                        console.log(p1),
                        console.log(p2)
                },
                sayhi: function () {
                    alert("吃了没");
                }
            }
        })
    </script>
</body>

</html>